555581868479 has 8 divisors (see below), whose sum is σ = 612090196560. Its totient is φ = 500073688000.

The previous prime is 555581868419. The next prime is 555581868503. The reversal of 555581868479 is 974868185555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 555581868479 - 2¹⁶ = 555581802943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555581868419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250035734 + ... + 250037955.

It is an arithmetic number, because the mean of its divisors is an integer number (76511274570).

Almost surely, 2^555581868479 is an apocalyptic number.

555581868479 is a deficient number, since it is larger than the sum of its proper divisors (56508328081).

555581868479 is a wasteful number, since it uses less digits than its factorization.

555581868479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500073801.

The product of its digits is 483840000, while the sum is 71.

The spelling of 555581868479 in words is "five hundred fifty-five billion, five hundred eighty-one million, eight hundred sixty-eight thousand, four hundred seventy-nine".